Method attach

Lib/idlelib/configdialog.py:2263–2268

Attach callback to all vars that are not traced.

(self)

        return default_callback

    def attach(self):
        "Attach callback to all vars that are not traced."
        while self.untraced:
            var, callback = self.untraced.pop()
            var.trace_add('write', callback)
            self.traced.append((var, callback))

    def detach(self):
        "Remove callback from traced vars."